avdevice: Apply a more consistent file naming scheme

1 files changed, 0 insertions, 362 deletions

diff --git a/libavdevice/alsa-audio-common.c b/libavdevice/alsa-audio-common.c
deleted file mode 100644
index 21f1594241..0000000000
--- a/libavdevice/alsa-audio-common.c
+++ /dev/null
@@ -1,362 +0,0 @@
-/*
- * ALSA input and output
- * Copyright (c) 2007 Luca Abeni ( lucabe72 email it )
- * Copyright (c) 2007 Benoit Fouet ( benoit fouet free fr )
- *
- * This file is part of Libav.
- *
- * Libav is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * Libav is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-/**
- * @file
- * ALSA input and output: common code
- * @author Luca Abeni ( lucabe72 email it )
- * @author Benoit Fouet ( benoit fouet free fr )
- * @author Nicolas George ( nicolas george normalesup org )
- */
-
-#include <alsa/asoundlib.h>
-#include "libavformat/avformat.h"
-#include "libavutil/avassert.h"
-#include "libavutil/channel_layout.h"
-
-#include "alsa-audio.h"
-
-static av_cold snd_pcm_format_t codec_id_to_pcm_format(int codec_id)
-{
-    switch(codec_id) {
-        case AV_CODEC_ID_PCM_F64LE: return SND_PCM_FORMAT_FLOAT64_LE;
-        case AV_CODEC_ID_PCM_F64BE: return SND_PCM_FORMAT_FLOAT64_BE;
-        case AV_CODEC_ID_PCM_F32LE: return SND_PCM_FORMAT_FLOAT_LE;
-        case AV_CODEC_ID_PCM_F32BE: return SND_PCM_FORMAT_FLOAT_BE;
-        case AV_CODEC_ID_PCM_S32LE: return SND_PCM_FORMAT_S32_LE;
-        case AV_CODEC_ID_PCM_S32BE: return SND_PCM_FORMAT_S32_BE;
-        case AV_CODEC_ID_PCM_U32LE: return SND_PCM_FORMAT_U32_LE;
-        case AV_CODEC_ID_PCM_U32BE: return SND_PCM_FORMAT_U32_BE;
-        case AV_CODEC_ID_PCM_S24LE: return SND_PCM_FORMAT_S24_3LE;
-        case AV_CODEC_ID_PCM_S24BE: return SND_PCM_FORMAT_S24_3BE;
-        case AV_CODEC_ID_PCM_U24LE: return SND_PCM_FORMAT_U24_3LE;
-        case AV_CODEC_ID_PCM_U24BE: return SND_PCM_FORMAT_U24_3BE;
-        case AV_CODEC_ID_PCM_S16LE: return SND_PCM_FORMAT_S16_LE;
-        case AV_CODEC_ID_PCM_S16BE: return SND_PCM_FORMAT_S16_BE;
-        case AV_CODEC_ID_PCM_U16LE: return SND_PCM_FORMAT_U16_LE;
-        case AV_CODEC_ID_PCM_U16BE: return SND_PCM_FORMAT_U16_BE;
-        case AV_CODEC_ID_PCM_S8:    return SND_PCM_FORMAT_S8;
-        case AV_CODEC_ID_PCM_U8:    return SND_PCM_FORMAT_U8;
-        case AV_CODEC_ID_PCM_MULAW: return SND_PCM_FORMAT_MU_LAW;
-        case AV_CODEC_ID_PCM_ALAW:  return SND_PCM_FORMAT_A_LAW;
-        default:                 return SND_PCM_FORMAT_UNKNOWN;
-    }
-}
-
-#define REORDER_OUT_50(NAME, TYPE) \
-static void alsa_reorder_ ## NAME ## _out_50(const void *in_v, void *out_v, int n) \
-{ \
-    const TYPE *in = in_v; \
-    TYPE      *out = out_v; \
-\
-    while (n-- > 0) { \
-        out[0] = in[0]; \
-        out[1] = in[1]; \
-        out[2] = in[3]; \
-        out[3] = in[4]; \
-        out[4] = in[2]; \
-        in  += 5; \
-        out += 5; \
-    } \
-}
-
-#define REORDER_OUT_51(NAME, TYPE) \
-static void alsa_reorder_ ## NAME ## _out_51(const void *in_v, void *out_v, int n) \
-{ \
-    const TYPE *in = in_v; \
-    TYPE      *out = out_v; \
-\
-    while (n-- > 0) { \
-        out[0] = in[0]; \
-        out[1] = in[1]; \
-        out[2] = in[4]; \
-        out[3] = in[5]; \
-        out[4] = in[2]; \
-        out[5] = in[3]; \
-        in  += 6; \
-        out += 6; \
-    } \
-}
-
-#define REORDER_OUT_71(NAME, TYPE) \
-static void alsa_reorder_ ## NAME ## _out_71(const void *in_v, void *out_v, int n) \
-{ \
-    const TYPE *in = in_v; \
-    TYPE      *out = out_v; \
-\
-    while (n-- > 0) { \
-        out[0] = in[0]; \
-        out[1] = in[1]; \
-        out[2] = in[4]; \
-        out[3] = in[5]; \
-        out[4] = in[2]; \
-        out[5] = in[3]; \
-        out[6] = in[6]; \
-        out[7] = in[7]; \
-        in  += 8; \
-        out += 8; \
-    } \
-}
-
-REORDER_OUT_50(int8, int8_t)
-REORDER_OUT_51(int8, int8_t)
-REORDER_OUT_71(int8, int8_t)
-REORDER_OUT_50(int16, int16_t)
-REORDER_OUT_51(int16, int16_t)
-REORDER_OUT_71(int16, int16_t)
-REORDER_OUT_50(int32, int32_t)
-REORDER_OUT_51(int32, int32_t)
-REORDER_OUT_71(int32, int32_t)
-REORDER_OUT_50(f32, float)
-REORDER_OUT_51(f32, float)
-REORDER_OUT_71(f32, float)
-
-#define FORMAT_I8  0
-#define FORMAT_I16 1
-#define FORMAT_I32 2
-#define FORMAT_F32 3
-
-#define PICK_REORDER(layout)\
-switch(format) {\
-    case FORMAT_I8:  s->reorder_func = alsa_reorder_int8_out_ ##layout;  break;\
-    case FORMAT_I16: s->reorder_func = alsa_reorder_int16_out_ ##layout; break;\
-    case FORMAT_I32: s->reorder_func = alsa_reorder_int32_out_ ##layout; break;\
-    case FORMAT_F32: s->reorder_func = alsa_reorder_f32_out_ ##layout;   break;\
-}
-
-static av_cold int find_reorder_func(AlsaData *s, int codec_id, uint64_t layout, int out)
-{
-    int format;
-
-    /* reordering input is not currently supported */
-    if (!out)
-        return AVERROR(ENOSYS);
-
-    /* reordering is not needed for QUAD or 2_2 layout */
-    if (layout == AV_CH_LAYOUT_QUAD || layout == AV_CH_LAYOUT_2_2)
-        return 0;
-
-    switch (codec_id) {
-    case AV_CODEC_ID_PCM_S8:
-    case AV_CODEC_ID_PCM_U8:
-    case AV_CODEC_ID_PCM_ALAW:
-    case AV_CODEC_ID_PCM_MULAW: format = FORMAT_I8;  break;
-    case AV_CODEC_ID_PCM_S16LE:
-    case AV_CODEC_ID_PCM_S16BE:
-    case AV_CODEC_ID_PCM_U16LE:
-    case AV_CODEC_ID_PCM_U16BE: format = FORMAT_I16; break;
-    case AV_CODEC_ID_PCM_S32LE:
-    case AV_CODEC_ID_PCM_S32BE:
-    case AV_CODEC_ID_PCM_U32LE:
-    case AV_CODEC_ID_PCM_U32BE: format = FORMAT_I32; break;
-    case AV_CODEC_ID_PCM_F32LE:
-    case AV_CODEC_ID_PCM_F32BE: format = FORMAT_F32; break;
-    default:                 return AVERROR(ENOSYS);
-    }
-
-    if      (layout == AV_CH_LAYOUT_5POINT0_BACK || layout == AV_CH_LAYOUT_5POINT0)
-        PICK_REORDER(50)
-    else if (layout == AV_CH_LAYOUT_5POINT1_BACK || layout == AV_CH_LAYOUT_5POINT1)
-        PICK_REORDER(51)
-    else if (layout == AV_CH_LAYOUT_7POINT1)
-        PICK_REORDER(71)
-
-    return s->reorder_func ? 0 : AVERROR(ENOSYS);
-}
-
-av_cold int ff_alsa_open(AVFormatContext *ctx, snd_pcm_stream_t mode,
-                         unsigned int *sample_rate,
-                         int channels, enum AVCodecID *codec_id)
-{
-    AlsaData *s = ctx->priv_data;
-    const char *audio_device;
-    int res, flags = 0;
-    snd_pcm_format_t format;
-    snd_pcm_t *h;
-    snd_pcm_hw_params_t *hw_params;
-    snd_pcm_uframes_t buffer_size, period_size;
-    uint64_t layout = ctx->streams[0]->codec->channel_layout;
-
-    if (ctx->filename[0] == 0) audio_device = "default";
-    else                       audio_device = ctx->filename;
-
-    if (*codec_id == AV_CODEC_ID_NONE)
-        *codec_id = DEFAULT_CODEC_ID;
-    format = codec_id_to_pcm_format(*codec_id);
-    if (format == SND_PCM_FORMAT_UNKNOWN) {
-        av_log(ctx, AV_LOG_ERROR, "sample format 0x%04x is not supported\n", *codec_id);
-        return AVERROR(ENOSYS);
-    }
-    s->frame_size = av_get_bits_per_sample(*codec_id) / 8 * channels;
-
-    if (ctx->flags & AVFMT_FLAG_NONBLOCK) {
-        flags = SND_PCM_NONBLOCK;
-    }
-    res = snd_pcm_open(&h, audio_device, mode, flags);
-    if (res < 0) {
-        av_log(ctx, AV_LOG_ERROR, "cannot open audio device %s (%s)\n",
-               audio_device, snd_strerror(res));
-        return AVERROR(EIO);
-    }
-
-    res = snd_pcm_hw_params_malloc(&hw_params);
-    if (res < 0) {
-        av_log(ctx, AV_LOG_ERROR, "cannot allocate hardware parameter structure (%s)\n",
-               snd_strerror(res));
-        goto fail1;
-    }
-
-    res = snd_pcm_hw_params_any(h, hw_params);
-    if (res < 0) {
-        av_log(ctx, AV_LOG_ERROR, "cannot initialize hardware parameter structure (%s)\n",
-               snd_strerror(res));
-        goto fail;
-    }
-
-    res = snd_pcm_hw_params_set_access(h, hw_params, SND_PCM_ACCESS_RW_INTERLEAVED);
-    if (res < 0) {
-        av_log(ctx, AV_LOG_ERROR, "cannot set access type (%s)\n",
-               snd_strerror(res));
-        goto fail;
-    }
-
-    res = snd_pcm_hw_params_set_format(h, hw_params, format);
-    if (res < 0) {
-        av_log(ctx, AV_LOG_ERROR, "cannot set sample format 0x%04x %d (%s)\n",
-               *codec_id, format, snd_strerror(res));
-        goto fail;
-    }
-
-    res = snd_pcm_hw_params_set_rate_near(h, hw_params, sample_rate, 0);
-    if (res < 0) {
-        av_log(ctx, AV_LOG_ERROR, "cannot set sample rate (%s)\n",
-               snd_strerror(res));
-        goto fail;
-    }
-
-    res = snd_pcm_hw_params_set_channels(h, hw_params, channels);
-    if (res < 0) {
-        av_log(ctx, AV_LOG_ERROR, "cannot set channel count to %d (%s)\n",
-               channels, snd_strerror(res));
-        goto fail;
-    }
-
-    snd_pcm_hw_params_get_buffer_size_max(hw_params, &buffer_size);
-    buffer_size = FFMIN(buffer_size, ALSA_BUFFER_SIZE_MAX);
-    /* TODO: maybe use ctx->max_picture_buffer somehow */
-    res = snd_pcm_hw_params_set_buffer_size_near(h, hw_params, &buffer_size);
-    if (res < 0) {
-        av_log(ctx, AV_LOG_ERROR, "cannot set ALSA buffer size (%s)\n",
-               snd_strerror(res));
-        goto fail;
-    }
-
-    snd_pcm_hw_params_get_period_size_min(hw_params, &period_size, NULL);
-    if (!period_size)
-        period_size = buffer_size / 4;
-    res = snd_pcm_hw_params_set_period_size_near(h, hw_params, &period_size, NULL);
-    if (res < 0) {
-        av_log(ctx, AV_LOG_ERROR, "cannot set ALSA period size (%s)\n",
-               snd_strerror(res));
-        goto fail;
-    }
-    s->period_size = period_size;
-
-    res = snd_pcm_hw_params(h, hw_params);
-    if (res < 0) {
-        av_log(ctx, AV_LOG_ERROR, "cannot set parameters (%s)\n",
-               snd_strerror(res));
-        goto fail;
-    }
-
-    snd_pcm_hw_params_free(hw_params);
-
-    if (channels > 2 && layout) {
-        if (find_reorder_func(s, *codec_id, layout, mode == SND_PCM_STREAM_PLAYBACK) < 0) {
-            char name[128];
-            av_get_channel_layout_string(name, sizeof(name), channels, layout);
-            av_log(ctx, AV_LOG_WARNING, "ALSA channel layout unknown or unimplemented for %s %s.\n",
-                   name, mode == SND_PCM_STREAM_PLAYBACK ? "playback" : "capture");
-        }
-        if (s->reorder_func) {
-            s->reorder_buf_size = buffer_size;
-            s->reorder_buf = av_malloc(s->reorder_buf_size * s->frame_size);
-            if (!s->reorder_buf)
-                goto fail1;
-        }
-    }
-
-    s->h = h;
-    return 0;
-
-fail:
-    snd_pcm_hw_params_free(hw_params);
-fail1:
-    snd_pcm_close(h);
-    return AVERROR(EIO);
-}
-
-av_cold int ff_alsa_close(AVFormatContext *s1)
-{
-    AlsaData *s = s1->priv_data;
-
-    av_freep(&s->reorder_buf);
-    snd_pcm_close(s->h);
-    return 0;
-}
-
-int ff_alsa_xrun_recover(AVFormatContext *s1, int err)
-{
-    AlsaData *s = s1->priv_data;
-    snd_pcm_t *handle = s->h;
-
-    av_log(s1, AV_LOG_WARNING, "ALSA buffer xrun.\n");
-    if (err == -EPIPE) {
-        err = snd_pcm_prepare(handle);
-        if (err < 0) {
-            av_log(s1, AV_LOG_ERROR, "cannot recover from underrun (snd_pcm_prepare failed: %s)\n", snd_strerror(err));
-
-            return AVERROR(EIO);
-        }
-    } else if (err == -ESTRPIPE) {
-        av_log(s1, AV_LOG_ERROR, "-ESTRPIPE... Unsupported!\n");
-
-        return -1;
-    }
-    return err;
-}
-
-int ff_alsa_extend_reorder_buf(AlsaData *s, int min_size)
-{
-    int size = s->reorder_buf_size;
-    void *r;
-
-    av_assert0(size != 0);
-    while (size < min_size)
-        size *= 2;
-    r = av_realloc(s->reorder_buf, size * s->frame_size);
-    if (!r)
-        return AVERROR(ENOMEM);
-    s->reorder_buf = r;
-    s->reorder_buf_size = size;
-    return 0;
-}